Home / 19,939.52-29,896.80-8,845.76

Finding the Fourth Proportional to 19,939.52, 29,896.80 and 8,845.76

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Solution

The fourth proportional to 19,939.52, 29,896.80 and 8,845.76 is: 13,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.52 : 29,896.80 = 8,845.76 : x
  2. Step 2: Convert to fraction form
    19,939.52/29,896.80 = 8,845.76/x
  3. Step 3: Cross multiply
    19,939.52x = 29,896.80 × 8,845.76
  4. Step 4: Simplify right side
    19,939.52x = 264,459,917.57
  5. Step 5: Solve for x
    x = 264,459,917.57/19,939.52
  6. Step 6: Final answer
    x = 13,263.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.